Adjust the volume in Music on Mac
Change the volume for all songs or for individual songs, or set songs to play at the same volume.
In the Music app on your Mac, do any of the following to play songs or music videos:
To control the volume, do any of the following:
Change the volume for all songs (like turning the volume knob on a stereo): Use the volume slider at the top of the Music window.
The maximum volume is limited by your computer’s volume setting.
Adjust the volume of a particular song or music video: Select it, choose Song > Info, click Options, then drag the volume slider.
Set all songs and music videos to always play at the same volume: Choose Music > Settings, click Playback, then select Sound Check.
If you’re using remote speakers connected to an AirPort Express: You can use the volume controls on the speakers as well as the Music volume controls. To use only the speaker’s controls, click the AirPlay button , then select the checkbox next to the speaker.